1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
/**************************************************************************
*
* Copyright 2011 Marek Olšák <maraeo@gmail.com>
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#ifndef U_VBUF_MGR_H
#define U_VBUF_MGR_H
/* This module builds upon u_upload_mgr and translate_cache and takes care of
* user buffer uploads and vertex format fallbacks. It's designed
* for the drivers which don't always use the Draw module. (e.g. for HWTCL)
*/
#include "pipe/p_context.h"
#include "pipe/p_state.h"
#include "util/u_transfer.h"
/* The manager.
* This structure should also be used to access vertex buffers
* from a driver. */
struct u_vbuf_mgr {
/* This is what was set in set_vertex_buffers.
* May contain user buffers. */
struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
unsigned nr_vertex_buffers;
/* Contains only real vertex buffers.
* Hardware drivers should use real_vertex_buffers[i]
* instead of vertex_buffers[i].buffer. */
struct pipe_resource *real_vertex_buffer[PIPE_MAX_ATTRIBS];
int nr_real_vertex_buffers;
/* Precomputed max_index for hardware vertex buffers. */
int max_index;
/* This uploader can optionally be used by the driver.
*
* Allowed functions:
* - u_upload_alloc
* - u_upload_data
* - u_upload_buffer
* - u_upload_flush */
struct u_upload_mgr *uploader;
};
struct u_vbuf_resource {
struct u_resource b;
uint8_t *user_ptr;
};
/* Opaque type containing information about vertex elements for the manager. */
struct u_vbuf_mgr_elements;
enum u_fetch_alignment {
U_VERTEX_FETCH_BYTE_ALIGNED,
U_VERTEX_FETCH_DWORD_ALIGNED
};
struct u_vbuf_mgr *
u_vbuf_mgr_create(struct pipe_context *pipe,
unsigned upload_buffer_size,
unsigned upload_buffer_alignment,
unsigned upload_buffer_bind,
enum u_fetch_alignment fetch_alignment);
void u_vbuf_mgr_destroy(struct u_vbuf_mgr *mgr);
struct u_vbuf_mgr_elements *
u_vbuf_mgr_create_vertex_elements(struct u_vbuf_mgr *mgr,
unsigned count,
const struct pipe_vertex_element *attrs,
struct pipe_vertex_element *native_attrs);
void u_vbuf_mgr_bind_vertex_elements(struct u_vbuf_mgr *mgr,
void *cso,
struct u_vbuf_mgr_elements *ve);
void u_vbuf_mgr_destroy_vertex_elements(struct u_vbuf_mgr *mgr,
struct u_vbuf_mgr_elements *ve);
void u_vbuf_mgr_set_vertex_buffers(struct u_vbuf_mgr *mgr,
unsigned count,
const struct pipe_vertex_buffer *bufs);
void u_vbuf_mgr_draw_begin(struct u_vbuf_mgr *mgr,
const struct pipe_draw_info *info,
boolean *buffers_updated,
boolean *uploader_flushed);
void u_vbuf_mgr_draw_end(struct u_vbuf_mgr *mgr);
static INLINE struct u_vbuf_resource *u_vbuf_resource(struct pipe_resource *r)
{
return (struct u_vbuf_resource*)r;
}
#endif
|
